Home / 1,091,075,422.60-1,636,613,133.90-314,746,409.80

Finding the Fourth Proportional to 1,091,075,422.60, 1,636,613,133.90 and 314,746,409.80

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Solution

The fourth proportional to 1,091,075,422.60, 1,636,613,133.90 and 314,746,409.80 is: 472,119,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,075,422.60 : 1,636,613,133.90 = 314,746,409.80 : x
  2. Step 2: Convert to fraction form
    1,091,075,422.60/1,636,613,133.90 = 314,746,409.80/x
  3. Step 3: Cross multiply
    1,091,075,422.60x = 1,636,613,133.90 × 314,746,409.80
  4. Step 4: Simplify right side
    1,091,075,422.60x = 515,118,108,126,551,744
  5. Step 5: Solve for x
    x = 515,118,108,126,551,744/1,091,075,422.60
  6. Step 6: Final answer
    x = 472,119,614.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.